Linear optical bench, polychromatic and monochromatic light, optical panel, slit and circle masks

Linear optical bench, polychromatic and monochromatic light.

Flat optical bench with shoes, double beam, moving disc.

Linear optical bench, diffraction, discrete spectra

Geometric optical system, light

Kit for interferometry, HeNe, random

vision defects set

Set for discrete diffraction of light and wavelength.

Cidepe